package com.chizha.service;


import java.util.List;

import com.jfinal.plugin.activerecord.Db;
import com.jfinal.plugin.activerecord.Record;

public class MsgService {
	
	public List<Record> find() {
		String sql = "select * from mqttmsg order by id desc";
		return Db.find(sql);
	}
}
